“I’m looking forward to getting my hands dirty again attempting to build something new and meaningful at scale,” he announced in a Facebook post.

Marcus was named president of PayPal in 2012. The company has more than 148 million active accounts and processed $180 billion in payment volume last year, accounting for 41 percent of eBay’s revenue in 2013.

“An entrepreneur at heart, David has made a career decision to focus on what he loves most — leading smaller teams to create great product experiences,” Donahoe said in the statement. “We wish him well.”